Key features: 21/4 (8mm) round mounting hole Compact Design Saves Space Bright and Vivid Illumination Choice of Shapes and Functions old Clad Silver Contacts for reliable low level switching Snap action contacts IP4 (Dustproof) Construction A8 Series Miniature Switches and Pilot Devices: 8mm elays & Sockets UL Listed File No. E5599 Specifications LED Life Contact Configuration Maximum Voltage Thermal Current Contact Material Terminal Style Operating Temperature Operating Humidity Contact esistance Insulation esistance Vibration esistance Shock esistance Electrical Life Mechanical Life Degree of Protection Soldering Temperature Dielectric Strength CSA Certified File No. L21451 5, hours approximately (reduced to half of original intensity) SPDT 25V AC/DC 3A old-clad Silver Solder Tab Terminal 25º to +55ºC (no freezing) 45 to 85% H 5mΩ maximum (initial value) 1MΩ minimum (5V DC megger) 5 to 55Hz,.75mm amplitude Damage limits: 5m/sec 2 (approx. 5) Operating extremes: 2m/sec 2 (approx. 2) 1, operations minimum Maintained: 1, ( operations/hour) Momentary: 2, minimum IP4 Enclosed/Dustproof 2/5 seconds or 2ºC/3 seconds Switch Unit: 2,V AC, 1 min. between live/dead part and terminals of different poles; 1,V AC, 1 minute between terminals of the same pole; 1,5V AC, 1 minute between contact and lamp terminals. Illumination Unit: 2,V AC, 1 min. between live part/ground Contact atings Operating Voltage 24V V 24V AC esistive 1.A.5A 5/Hz Inductive.7A.5A DC esistive 1.A.2A Inductive.7A.1A 1. AC Inductive Load, PF =..7; DC Inductive Load, L/ = 7. 2. Minimum applicable load (reference value) is 5V AC/DC 3mA (applicable range is subject to the operating conditions and load). 45 www.idec.com
Miniature ø8mm A8 Series Non-Illuminated Pushbuttons Style AB8 Non-Illuminated Pushbuttons (Assembled) Contact Momentary Part Numbers Maintained ound SPDT AB8M-M1-j AB8M-A1-j SPDT AB8Q-M1-j AB8Q-A1-j SPDT AB8H-M1-j AB8H-A1-j 1. In place of j, specify button color code from the table below. 2. For accessories, see page 459. 3. For dimensions, see page 4. j Button s Black B Blue S hite elays & Sockets 8-22-IDEC (4332) USA & Canada 457
Illuminated Pushbuttons Style AL8 Illuminated Pushbuttons & Pilot Lights (Assembled) Contact Momentary Part Numbers Maintained Pilot Light Part Number ound SPDT AL8M-M11-k AL8M-A11-k AL8M-P1-k elays & Sockets SPDT AL8Q-M11-k AL8Q-A11-k AL8Q-P1-k SPDT AL8H-M11-k AL8H-A11-k AL8H-P1-k 1. In place of k, specify lens color code from table on the right. 2. A replaceable LED lamp is included with the operator. 3. Because the LED lamp does not contain an internal current limiting resistor, an external resistor must be added. For recommended values, see table below. 4. For accessories, see page 459. 5. For dimensions, see page 4. k LED/Lens s A hite eplacement LEDs LED Voltage and ecommended Current Limiting esistor Lens LED Part Number Voltage External esistor LAD-SA LAD-S LAD-S 5V DC V DC V DC 24V DC hite * LAD-S LAD-S * hite units use a white lens and a yellow LED. 15Ω, 1/2 2Ω, 1/2 51Ω, 1 1.1kΩ, 1 LED atings: LED Specifications LED Forward Current I f Forward Voltage (Nominal) V f everse Voltage V r 2mA 2.2V 4V 2mA 2.1V 4V 2mA 1.7V 4V 2mA 2.2V 4V Operating Voltage & External Current Limiting esistor (ecommended Value) 5V DC: 15Ω, 1/2 V DC: 2Ω, 1/2 V DC: 51Ω, 1 24V DC: 1.1kΩ, 1 hen LED lamps are used at voltages other than those stated above, external resistor value,, is determined by the following formula: = (Operating Voltage V f ) / I f 458 www.idec.com
Miniature ø8mm A8 Series Locking ing rench Lens emoval Tool Holder Tool Switch uard Terminal Cover Adaptor Socket AL-C8 Mounting Hole Plug eplacements LEDs eplacement Lenses eplacement Buttons Accessories Item Description Used ith Part Number AL-C8V shown attached 1. In place of j, specify Button from the table. 2. In place of k, specify Lens from table. Made of metal. Used for tightening plastic locking ring during installation. Tightening torque should not exceed 3kgf-cm All units MT-4 Made of metal. Used for removing lens or button from the housing Illuminated pushbuttons and pilot lights MT-11 Made of rubber. Used for removing and replacing LED lamps in illuminated units Used to avoid operating the pushbutton inadvertently. Cover flips open 9. Provides IP4 protection Illuminated pushbuttons and pilot lights ound & square units units O- AL-K8 AL-KH8 Made of translucent nylon. Fits over and shields the terminals All units AL-V8 Plug-on adaptor with solder terminals, allows easy control unit replacement. Plug-on adaptor with PCB terminals, allows easy control unit replacement. Made of rubber. Fills unused mounting holes to provide IP5 protection LED lamp is included in every illuminated control unit. eplacement lamp is ordered separately. External current limiting resistor required. All units Extra panel cutouts Illuminated units and pilot lights Illuminated pushbuttons and pilot lights Non-Illuminated buttons j Button s Black B Blue S hite ound ound AL-C8 AL-C8V AL-B8 LAD-S (red) LAD-S (green) LAD-SA (amber) LAD-S (yellow) AL8M-LK1-k AL8Q-LK1-k AL8H-LK1-k AB8M-BK1-j AB8Q-BK1-j AB8H-BK1-j k LED/Lens s A hite elays & Sockets 8-22-IDEC (4332) USA & Canada 459
A 8 Panel Thickness.5 to Locking ing Terminal idth 1.8.4t Dimensions ound Panel Cut-Out (not drawn to scale) ø8 +.2 5 5.5 ø9 5.5 9 c 9 ø9 7 22 9 ound/ ø8 +.2 min. +.2 elays & Sockets Holes rd Terminal Hole Layout) Terminal Sockets Solder Terminal (AL-C8) Terminal Arrangement 33 17 (Bottom View) Terminal Cover AL-V8, Ø 21/4" (8mm) 17.3 33.5 Terminal.8.3t 33 For ound/ Units 1 5 8.8 17 3 ø9.1.3 PC Board Terminal (AL-C8V) Terminal Arrangement.3 For Units Switch uard, Ø 21/4" (8mm) 21.5 Panel Thickness.5 to 5 +.2 5-1. Holes (PC Board Terminal Mounting Hole Layout) 1 13 min. For ound/ Units (Bottom View) 1 For ound/ Units 1 For Units For ectan 21.5 1 13 min. 4 www.idec.com